Chara, Judge of Sinners

Vigilance, Haste
Chara, Judge of Sinners can't be blocked.
When Chara, Judge of Sinners enters the battlefield, deal damage to target player equal to the amount of creatures cards all graveyards.
If a player is killed this way, instead shuffle all cards in your graveyard into
your library and the targeted player heals back to starting life total. The player takes double damage.
Know the consequences of your actions.